title: Responses of plasma proenkephalin peptide F in rats following 14 days of spaceflight.
mesh_terms: D000818:Animals; D003345:Corticosterone / Q000097:blood; D004744:Enkephalin, Methionine / Q000031:analogs & derivatives* / Q000096:biosynthesis / Q000097:blood*; D005260:Female; D007107:Immune System / Q000502:physiology; D011498:Protein Precursors / Q000096:biosynthesis / Q000097:blood*; D051381:Rats; D011916:Rats, Inbred F344; D013026:Space Flight; D014893:Weightlessness
chemical_list: D011498:Protein Precursors; D004744:Enkephalin, Methionine; C036452:peptide F; D003345:Corticosterone